package com.zjq.authoritysystem.config.redis;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

import java.time.Duration;

/**
 * @author Kimiaaaaa
 * @className RedisConfig
 * @Description
 * @date 2023-09-20 16:27
 */
@Configuration
public class RedisConfig {

    @Value("${spring.redis.expire}")
    private Long expire;

    @Bean
    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory factory) {
        RedisTemplate<String, Object> template = new RedisTemplate<>();
        //配置连接工厂
        template.setConnectionFactory(factory);
        //使用Jackson2JsonRedisSerialize 替换默认序列化（默认才用的是JDK序列化）
        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
        //解决查询缓存转换异常的问题
        ObjectMapper objectMapper = new ObjectMapper();
        //设置在生产JSON时，对象中的成员可见性
        objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        //存储到redis的json将是有类型的数据
        //指定序列化输入的类型，类必须是非final修饰的，final修饰的类，比如String，Integer等会抛出异常
        objectMapper.activateDefaultTyping(objectMapper.getPolymorphicTypeValidator(), ObjectMapper.DefaultTyping.NON_FINAL);
        jackson2JsonRedisSerializer.setObjectMapper(objectMapper);

        StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();
        //key才用String的序列化方式
        template.setKeySerializer(stringRedisSerializer);
        //hashKey才用String的序列化方式
        template.setHashKeySerializer(stringRedisSerializer);
        //value序列方式采用Jackson
        template.setValueSerializer(jackson2JsonRedisSerializer);
        //hashValue序列方式采用Jackson
        template.setHashValueSerializer(jackson2JsonRedisSerializer);
        template.afterPropertiesSet();
        return template;
    }

    //@Cacheable注解字符集编码配置
    @Bean
    public RedisCacheManager cacheManager(RedisConnectionFactory connectionFactory) {
        RedisCacheConfiguration redisCacheConfiguration = RedisCacheConfiguration.defaultCacheConfig();
        redisCacheConfiguration.entryTtl(Duration.ofMinutes(expire))
                .serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(RedisSerializer.string()))
                .serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(RedisSerializer.string()));
        return RedisCacheManager.builder(connectionFactory).cacheDefaults(redisCacheConfiguration).build();
    }
}
